Entwicklungsvorrichtung.

摘要

A developing device suitable for in an electrophotographic recording apparatus includes either a toner stirring portion (23) arranged in a toner hopper portion, the toner stirring portion being provided with a portion for varying toner conveying speed, or in the toner a toner stirring and moving means (42) provided in a toner cartridge. Printing irregularity tends not to occur on printing paper even if the printing is performed when the amount of toner, which is collected in the toner hopper portion is so reduced as not to cover the toner hopper stirring portion sufficiently.